Senior Backend Engineer, AI Engineering: Chat at GitLab

Confirmed open

GitLab is hiring a remote Senior Backend Engineer, AI Engineering: Chat to build reliable backend and AI-powered engineering systems. The official posting lists Remote, Canada; Remote, United Kingdom.

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Location: Remote
Work arrangement: remote
Technologies: Python, SQL

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Role overview

This senior backend role focuses on Chat Engine, the AI service behind GitLab Duo Chat. It connects a Python and LangGraph-based workflow service with GitLab’s Rails application.

Responsibilities

Build reusable agentic flows, integrate models and tools, and maintain secure chat features across Python and Rails services.
Design REST and GraphQL APIs and improve latency, reliability, observability and tests with pytest and RSpec.
Work with product, frontend and AI teams; document patterns and join Tier 2 on-call support.

Qualifications

The employer seeks production Python backend experience, AI agent and LLM integration, and REST or GraphQL API design.
SQL and relational databases such as PostgreSQL are important; Rails experience or willingness to learn it is needed. LangGraph or LangChain is a plus.

Technology in this role

Python: Build reusable agentic flows, integrate models and tools, and maintain secure chat features across Python and Rails services.
SQL: SQL and relational databases such as PostgreSQL are important; Rails experience or willingness to learn it is needed. LangGraph or LangChain is a plus.

How to apply

Review the original posting and apply through the employer’s careers page.

View source and apply

Source checked: 2026-11-08

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